Merle Curti was a University of Wisconsin-Madison historian known for his work on American cultural and intellectual history. He received the Pulitzer Prize for The Growth of American Thought. Curti was a leading American historian, who taught many graduate students at Columbia University and the University of Wisconsin, and was a leader in developing the fields of social history and intellectual history. He directed 86 finished PhD dissertations and had an unusually wide range of correspondents. As a Progressive historian he was deeply committed to democracy, and to the Turnerian thesis that social and economic forces shape American life, thought and character. He was a pioneer in peace studies, intellectual history, and social history, and helped develop quantitative methods based on census samples as a tool in historical research.(From Wikipedia - https://en.wikipedia.org/wiki/Merle_Curti)